Electric mixer



FIG. 1 is a perspective view of a front and left side of an electric mixer showing my new design;

FIG. 2 is a slight front perspective view thereof;

FIG. 3 is a slight rear perspective view thereof;

FIG. 4 is a slight left side perspective view thereof;

FIG. 5 is a slight right side perspective view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

The ornamental design for an electric mixer, as shown and described. 